package com.sky.controller.user;
import com.sky.constant.StatusConstant;
import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.utils.AliOssUtil;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.annotation.Resource;
import java.util.List;

@RestController("userDishController")
@RequestMapping("/user/dish")
@Slf4j
@Api(tags = "C端-菜品浏览接口")
public class DishController {
    @Resource
    private DishService dishService;
    @Resource
    private RedisTemplate redisTemplate;
    @Resource
    private AliOssUtil aliOssUtil;


    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId) {
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);//查询起售中的菜品
        String key = "dish::" + categoryId;
        //先查询缓存中的数据
        List<DishVO> list = (List<DishVO>) redisTemplate.opsForValue().get(key);
        if (list == null){
            list = dishService.listWithFlavor(dish);
            //缓存中没有数据 将数据保存到缓存中
            redisTemplate.opsForValue().set(key, list);
        }
        //返回前生成临时访问 地址
        for (DishVO dishVO : list) {
            dishVO.setImage(aliOssUtil.generatePresignedUrl(dishVO.getImage()));
        }
        return Result.success(list);
    }

}
